Thread: boost leak from rod coming out of supercharger

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  1. #1 boost leak from rod coming out of supercharger 
    GrandPrix Junkie SgtMarshal's Avatar
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    Is it Possible to have a boost leak from the rod that comes out the supercharger at the Boost bypass valve?

    https://drive.google.com/file/d/0B6KoWYZT_pmCQW9PdFJOZGtrUUk/view?usp=sharing

    https://drive.google.com/file/d/0B6K...ew?usp=sharing
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  2. #2 Re: boost leak from rod coming out of supercharger 
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    If the plunger in it is dry rotted, then sure.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
    Sold WBody's: '98 GT, '98 GTP, '03 GTP, '05 GXP
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  3. #3 Re: boost leak from rod coming out of supercharger 
    GrandPrix Junkie SgtMarshal's Avatar
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    I think I figured it out, I don't have the car back together yet, so I'm not exactly sure, but I think the bbv wasn't adjusted correctly so it couldn't close all the way.
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  4. #4 Re: boost leak from rod coming out of supercharger 
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    You can move it around all you want; that doesn't impact anything. ZZP used to tell you to unbolt them and lower them for "better performance", which was a load.

    If it works, it works. If it doesn't, oh well. You'll lose an MPG or two.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
    Sold WBody's: '98 GT, '98 GTP, '03 GTP, '05 GXP
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  5. #5 Re: boost leak from rod coming out of supercharger 
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    Agree with BlueBalls.. if the diaphragm is bad.. it's leaking. Put on a fresh one.
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  6. #6 Re: boost leak from rod coming out of supercharger 
    GrandPrix Junkie SgtMarshal's Avatar
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    nothing wrong with the actual bbv, it was how it was bolted on to the supercharger, like how zzp said you can lower it for "better performance", I did that once and lost at least 1 psi of boost because the valve couldn't close all the way.
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  7. #7 Re: boost leak from rod coming out of supercharger 
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    So is the rod that goes into the plunger, bent?

    Send me a picture of it, Marshall.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
    Sold WBody's: '98 GT, '98 GTP, '03 GTP, '05 GXP
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